The Byte Works on GitHubThe source code to ORCA/C, an ANSI C compiler; ORCALib, libraries for the ORCA language suite (ORCA/C, ORCA/M, ORCA/Pascal); and ORCA Linker, a link editor for the object module format, all for the Apple IIGS.

CiderPressv4.0.3 of Andy McFadden's popular Windows program for managing Apple II files and media.